package com.sky.controller.admin;

import com.github.pagehelper.Page;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Api(tags = "菜品项管接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     */
    @PostMapping("/addDish")
    @ApiOperation("新增菜品")
    public Result<String> addDish(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.addDishWithFlavor(dishDTO);

        // 清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /*
    * 菜品查询
    *  */
    @GetMapping("/dishList")
    @ApiOperation("菜品查询")
    public Result<PageResult> dishList(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品查询：{}", dishPageQueryDTO);
        if(dishPageQueryDTO.getPage() == null) {
            return Result.error("page参数必填");
        }
        if(dishPageQueryDTO.getPageSize() == null) {
            return Result.error("pageSize参数必填");
        }
        PageResult pageResult = dishService.dishListPageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /*
    * 菜品批量删除
    *  */
    @DeleteMapping("/dishDelete")
    @ApiOperation("菜品批量删除")
    public Result<String> dishDelete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除：{}", ids);
        if(ids == null || ids.size() == 0) {
            return Result.error("ids参数必填");
        }
        dishService.deleteDish(ids);

        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    /*
    * 根据id查询菜品
    *  */
    @GetMapping("/{id}")
    public Result<DishVO> getDishById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getDishWithFlavorById(id);
        return Result.success(dishVO);
    }
    /*
    * 修改菜品
    *  */
    @PutMapping
    public Result<String> updateDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateDishWithFlavor(dishDTO);

        // 将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
